3x |
x-2 |
x |
x+2 |
2x |
x2-4 |
3x |
x-2 |
x |
x+2 |
2x |
x2-4 |
3x(x+2)-x(x-2) |
(x-2)(x+2) |
(x-2)(x+2) |
2x |
2x2 |
3y |
3y |
4x |
x2 |
2y2 |
3 |
xy |
2a2b |
3cd2 |
9c2 |
4ab |
a |
(a-b)2 |
b |
(a-b)2 |
a+b |
a-b |
3(a+b) |
a-b |
a-b |
2(a+b) |
x-1 |
x+2 |
y-3 |
y-4 |
A.y=
| B.y=-x+2 | C.y=
| D.y=-7x-2 |
3 |
2 |
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